Improvement in stove pipe and damper



L. R. CONIST'OCK.

Stove Pipe Damper.`

Patented Nov. 6, 1866.

NoI 59,362.

UNITED STATES PATENT OFFICE.

LEVI R. COMSTOOK, OF MACON, MISSOURI.

IhMPROVEMENT IN STOVE PIPE AND DAMPER.

Specification forming part of Letters Patent No. 59,362, dated November 6, 1866.

To all whom it may concern:

Be it known that L LEVI R. CoMsTocK, of Macon city, county of Macon, and State of Missouri, have invented an Improved Revolving-Flue Radiator; and I do hereby declare the following to be an exact description there- Acom m only used on cooking stoves or ran ges, the;

whole being intended to increase, lessen, 0r regulate the flow of heat, arranged and combined as hereinafter described.

A represent-s the semicircular plates, intended to be made of cast-iron or sheet-iron, with grooved edges to tit as a close joint, and a hinge or catch, B, to fasten them together;

= also collars' C at each side, to connect with flues or pipes for receiving and discharging the heat, as indicated by thc arrows. D are partitions, forming square chambers E on the inside, the two outer partitions being shorterthan the center ones, so as to be revolved in the interior of the drum formed by the semicircular plates. The shaft G is the axis of the partitions D, and is revolved by a button or springlever, H, on the outside. Thelev'er being moved one-quarter around turns the partitions and air-chambers to a vertical or horizontal position, which shuts oif the heat or draft, or opens it for a'free passage, the red lines at Fig. 2 showing the position of the chambers when the draft is shut ofi' and the lever turned one-fourth around.

The pipe J may be extended downward or horizontally, so as to bel attachcd'to or counected with any steam-boiler commonlyvused on cook-stoves, the steam from which assists the draft and purities the burningheat.

What I claim as my invention, and desire 'to secure by Letters Patent, is-

Ihe shape and construction of the semicircular concave cast-iron plates A, with their joints and hinges B, and revolving partitions D, on the inside, with chambers E, combined and operated as herein described, and for the purposes set forth.

LEVI n. coMsTooK.

Witnesses l WILLIAM J. WILSON, D. MCLEoD. 

